/**
 * @file l6470.cpp
 *
 */
/* Copyright (C) 2017 by Arjan van Vught mailto:info@orangepi-dmx.nl
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:

 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include "l6470.h"
#include "l6470constants.h"

L6470::~L6470() {
}

void L6470::setMicroSteps(unsigned int nMicroSteps) {
	hardHiZ();

	unsigned int stepVal = 0;

	for (stepVal = 0; stepVal < 8; stepVal++) {
		if (nMicroSteps == 1) {
			break;
		}
		nMicroSteps = nMicroSteps >> 1;
	}

	setParam(L6470_PARAM_STEP_MODE, stepVal | L6470_SYNC_SEL_1);
}
